diff options
| -rw-r--r-- | include/sound/soc-topology.h | 11 | ||||
| -rw-r--r-- | sound/soc/soc-topology.c | 42 |
2 files changed, 50 insertions, 3 deletions
diff --git a/include/sound/soc-topology.h b/include/sound/soc-topology.h index a6541a1bc7093..ea387ed8f98be 100644 --- a/include/sound/soc-topology.h +++ b/include/sound/soc-topology.h @@ -89,6 +89,13 @@ struct snd_soc_tplg_kcontrol_ops { struct snd_ctl_elem_info *uinfo); }; +/* Bytes ext operations, for TLV byte controls */ +struct snd_soc_tplg_bytes_ext_ops { + u32 id; + int (*get)(unsigned int __user *bytes, unsigned int size); + int (*put)(const unsigned int __user *bytes, unsigned int size); +}; + /* * DAPM widget event handlers - used to map handlers onto widgets. */ @@ -139,6 +146,10 @@ struct snd_soc_tplg_ops { /* vendor specific kcontrol handlers available for binding */ const struct snd_soc_tplg_kcontrol_ops *io_ops; int io_ops_count; + + /* vendor specific bytes ext handlers available for binding */ + const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops; + int bytes_ext_ops_count; }; /* gets a pointer to data from the firmware block header */ diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index c4a58d7337b51..5690b7e7172e1 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -70,6 +70,10 @@ struct soc_tplg { const struct snd_soc_tplg_kcontrol_ops *io_ops; int io_ops_count; + /* vendor specific bytes ext handlers, for TLV bytes controls */ + const struct snd_soc_tplg_bytes_ext_ops *bytes_ext_ops; + int bytes_ext_ops_count; + /* optional fw loading callbacks to component drivers */ struct snd_soc_tplg_ops *ops; }; @@ -511,8 +515,40 @@ static int soc_tplg_kcontrol_bind_io(struct snd_soc_tplg_ctl_hdr *hdr, const struct soc_tplg *tplg) { const struct snd_soc_tplg_kcontrol_ops *ops; + const struct snd_soc_tplg_bytes_ext_ops *ext_ops; int num_ops, i; + if (hdr->ops.info == SND_SOC_TPLG_CTL_BYTES + && k->iface & SNDRV_CTL_ELEM_IFACE_MIXER + && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE + && k->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { + struct soc_bytes_ext *sbe; + struct snd_soc_tplg_bytes_control *be; + + sbe = (struct soc_bytes_ext *)k->private_value; + be = container_of(hdr, struct snd_soc_tplg_bytes_control, hdr); + + /* TLV bytes controls need standard kcontrol info handler, + * TLV callback and extended put/get handlers. + */ + k->info = snd_soc_bytes_info; + k->tlv.c = snd_soc_bytes_tlv_callback; + + ext_ops = tplg->bytes_ext_ops; + num_ops = tplg->bytes_ext_ops_count; + for (i = 0; i < num_ops; i++) { + if (!sbe->put && ext_ops[i].id == be->ext_ops.put) + sbe->put = ext_ops[i].put; + if (!sbe->get && ext_ops[i].id == be->ext_ops.get) + sbe->get = ext_ops[i].get; + } + + if (sbe->put && sbe->get) + return 0; + else + return -EINVAL; + } + /* try and map vendor specific kcontrol handlers first */ ops = tplg->io_ops; num_ops = tplg->io_ops_count; @@ -613,9 +649,7 @@ static int soc_tplg_create_tlv(struct soc_tplg *tplg, if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)) return 0; - if (tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { - kc->tlv.c = snd_soc_bytes_tlv_callback; - } else { + if (!(tc->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK)) { tplg_tlv = &tc->tlv; switch (tplg_tlv->type) { case SNDRV_CTL_TLVT_DB_SCALE: @@ -1733,6 +1767,8 @@ int snd_soc_tplg_component_load(struct snd_soc_component *comp, tplg.req_index = id; tplg.io_ops = ops->io_ops; tplg.io_ops_count = ops->io_ops_count; + tplg.bytes_ext_ops = ops->bytes_ext_ops; + tplg.bytes_ext_ops_count = ops->bytes_ext_ops_count; return soc_tplg_load(&tplg); } |